<!DOCTYPE html>
<script>
internals.settings.setViewportEnabled(true);
internals.settings.setViewportMetaEnabled(true);
</script>
<style>
body {
  width: 800px;
  height: 800px;
  margin: 0;
}
.box {
  position: absolute;
  left: 640px;
  top: 480px;
  width: 80px;
  height: 80px;
  background-color: #8f8;
}
</style>
<meta name="viewport" content="width=800, minimum-scale=1, initial-scale=1, maximum-scale=1">
<div class="box"></div>
